AR City of Fayetteville - Sanitary Sewer RehabilitationSanitary Sewer Rehabilitation in Basin I-15: The project consists of rehabilitation of sanitary sewer manholes and sewer lines throughout this basin. Rehabilitation of manholes and sewer lines will utilize point repairs, open cut replacement, cured-in-place piping and pipe bursting methods. The project is anticipated to significantly reduce the inflow/infiltration in the entire project area, thereby reducing the maintenance cost and sewer backups.